Giorgos Kordopatis-Zilos

65 papers A* 4A 1B 6C 1Journal 28Unranked 19
YearRankTypeTitle / Venue / Authors
2026 J jnl
ELViS: Efficient Visual Similarity from Local Descriptors that Generalizes Across Domains.
CoRR
Pavel Suma, Giorgos Kordopatis-Zilos, Yannis Kalantidis, Giorgos Tolias
2025 A* conf
ILIAS: Instance-Level Image retrieval At Scale.
CVPR
Giorgos Kordopatis-Zilos, Vladan Stojnic, Anna Manko, Pavel Suma, Nikolaos-Antonios Ypsilantis, Nikos Efthymiadis, Zakaria Laskar, Jiri Matas, Ondrej Chum, Giorgos Tolias
2025 J jnl
ILIAS: Instance-Level Image retrieval At Scale.
CoRR
Giorgos Kordopatis-Zilos, Vladan Stojnic, Anna Manko, Pavel Suma, Nikolaos-Antonios Ypsilantis, Nikos Efthymiadis, Zakaria Laskar, Jirí Matas, Ondrej Chum, Giorgos Tolias
2025 A conf
InDistill: Information flow-preserving knowledge distillation for model compression.
WACV
Ioannis Sarridis, Christos Koutlis, Giorgos Kordopatis-Zilos, Ioannis Kompatsiaris, Symeon Papadopoulos
2025 J jnl
Instance-Level Generation for Representation Learning.
CoRR
Yankun Wu, Zakaria Laskar, Giorgos Kordopatis-Zilos, Noa Garcia, Giorgos Tolias
2025 A* conf
LOCORE: Image Re-ranking with Long-Context Sequence Modeling.
CVPR
Zilin Xiao, Pavel Suma, Ayush Sachdeva, Hao-Jen Wang, Giorgos Kordopatis-Zilos, Giorgos Tolias, Vicente Ordonez
2025 J jnl
LOCORE: Image Re-ranking with Long-Context Sequence Modeling.
CoRR
Zilin Xiao, Pavel Suma, Ayush Sachdeva, Hao-Jen Wang, Giorgos Kordopatis-Zilos, Giorgos Tolias, Vicente Ordonez
2025 B conf
MAD'25: 4th ACM International Workshop on Multimedia AI against Disinformation.
ICMR
Dan-Cristian Stanciu, Bogdan Ionescu, Symeon Papadopoulos, Giorgos Kordopatis-Zilos, Adrian Popescu, Roberto Caldelli, Milica Gerhardt, Vera Schmitt
2025 — ed.
Proceedings of the 4th ACM International Workshop on Multimedia AI against Disinformation, MAD' 25, ChicagoUSA, 30 June 2025- 3 July 2025
MAD@ICMR
Dan-Cristian Stanciu, Bogdan Ionescu, Symeon Papadopoulos, Giorgos Kordopatis-Zilos, Adrian Popescu, Roberto Caldelli, Milica Gerhardt, Vera Schmitt
2025 J jnl
Processing and acquisition traces in visual encoders: What does CLIP know about your camera?
CoRR
Ryan Ramos, Vladan Stojnic, Giorgos Kordopatis-Zilos, Yuta Nakashima, Giorgos Tolias, Noa Garcia
2024 — conf
AMES: Asymmetric and Memory-Efficient Similarity Estimation for Instance-Level Retrieval.
ECCV (59)
Pavel Suma, Giorgos Kordopatis-Zilos, Ahmet Iscen, Giorgos Tolias
2024 J jnl
AMES: Asymmetric and Memory-Efficient Similarity Estimation for Instance-level Retrieval.
CoRR
Pavel Suma, Giorgos Kordopatis-Zilos, Ahmet Iscen, Giorgos Tolias
2024 — conf
Fusion Transformer with Object Mask Guidance for Image Forgery Analysis.
CVPR Workshops
Dimitrios Karageorgiou, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2024 J jnl
Fusion Transformer with Object Mask Guidance for Image Forgery Analysis.
CoRR
Dimitrios Karageorgiou, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2024 B conf
MAD '24 Workshop: Multimedia AI against Disinformation.
ICMR
Cristian Lucian Stanciu, Bogdan Ionescu, Luca Cuccovillo, Symeon Papadopoulos, Giorgos Kordopatis-Zilos, Adrian Popescu, Roberto Caldelli
2024 J jnl
MINTIME: Multi-Identity Size-Invariant Video Deepfake Detection.
IEEE Trans. Inf. Forensics Secur.
Davide Alessandro Coccomini, Giorgos Kordopatis-Zilos, Giuseppe Amato, Roberto Caldelli, Fabrizio Falchi, Symeon Papadopoulos, Claudio Gennaro
2024 — ed.
Proceedings of the 3rd ACM International Workshop on Multimedia AI against Disinformation, MAD 2024, Phuket, Thailand, June 10-14, 2024
MAD@ICMR
Cristian Lucian Stanciu, Luca Cuccovillo, Bogdan Ionescu, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Adrian Popescu, Roberto Caldelli
2024 J jnl
The 2023 video similarity dataset and challenge.
Comput. Vis. Image Underst.
Ed Pizzi, Giorgos Kordopatis-Zilos, Hiral Patel, Gheorghe Postelnicu, Sugosh Nagavara Ravindra, Akshay Gupta, Symeon Papadopoulos, Giorgos Tolias, Matthijs Douze
2024 J jnl
The Visual Saliency Transformer Goes Temporal: TempVST for Video Saliency Prediction.
IEEE Access
Nikos Lazaridis, Kostas Georgiadis, Fotis Kalaganis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Spiros Nikolopoulos, Ioannis Kompatsiaris
2023 — conf
A Multi-Stream Fusion Network for Image Splicing Localization.
MMM (2)
Maria Siopi, Giorgos Kordopatis-Zilos, Polychronis Charitidis, Ioannis Kompatsiaris, Symeon Papadopoulos
2023 — conf
Improving Synthetically Generated Image Detection in Cross-Concept Settings.
MAD@ICMR
Pantelis Dogoulis, Giorgos Kordopatis-Zilos, Ioannis Kompatsiaris, Symeon Papadopoulos
2023 J jnl
Improving Synthetically Generated Image Detection in Cross-Concept Settings.
CoRR
Pantelis Dogoulis, Giorgos Kordopatis-Zilos, Ioannis Kompatsiaris, Symeon Papadopoulos
2023 B conf
MAD '23 Workshop: Multimedia AI against Disinformation.
ICMR
Luca Cuccovillo, Bogdan Ionescu, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Adrian Popescu
2023 — ed.
Proceedings of the 2nd ACM International Workshop on Multimedia AI against Disinformation, MAD@ICMR 2023, Thessaloniki, Greece, June 12-15, 2023
MAD@ICMR
Luca Cuccovillo, Bagdan Ionescu, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Adrina Popescu
2023 — conf
Self-Supervised Video Similarity Learning.
CVPR Workshops
Giorgos Kordopatis-Zilos, Giorgos Tolias, Christos Tzelepis, Ioannis Kompatsiaris, Ioannis Patras, Symeon Papadopoulos
2023 J jnl
Self-Supervised Video Similarity Learning.
CoRR
Giorgos Kordopatis-Zilos, Giorgos Tolias, Christos Tzelepis, Ioannis Kompatsiaris, Ioannis Patras, Symeon Papadopoulos
2023 A* conf
Test-time Training for Matching-based Video Object Segmentation.
NeurIPS
Juliette Bertrand, Giorgos Kordopatis-Zilos, Yannis Kalantidis, Giorgos Tolias
2023 J jnl
The 2023 Video Similarity Dataset and Challenge.
CoRR
Ed Pizzi, Giorgos Kordopatis-Zilos, Hiral Patel, Gheorghe Postelnicu, Sugosh Nagavara Ravindra, Akshay Gupta, Symeon Papadopoulos, Giorgos Tolias, Matthijs Douze
2022 J jnl
A Multi-Stream Fusion Network for Image Splicing Localization.
CoRR
Maria Siopi, Giorgos Kordopatis-Zilos, Polychronis Charitidis, Ioannis Kompatsiaris, Symeon Papadopoulos
2022 J jnl
DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval.
Int. J. Comput. Vis.
Giorgos Kordopatis-Zilos, Christos Tzelepis, Symeon Papadopoulos, Ioannis Kompatsiaris, Ioannis Patras
2022 — conf
Leveraging Selective Prediction for Reliable Image Geolocation.
MMM (2)
Apostolos Panagiotopoulos, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2022 B conf
MAD '22 Workshop: Multimedia AI against Disinformation.
ICMR
Bogdan Ionescu, Giorgos Kordopatis-Zilos, Adrian Popescu, Luca Cuccovillo, Symeon Papadopoulos
2022 — ed.
MAD@ICMR 2022: Proceedings of the 1st International Workshop on Multimedia AI against Disinformation, Newark, NJ, USA, June 27 - 30, 2022
MAD@ICMR
Bogdan Ionescu, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Adrian Popescu, Luca Cuccovillo
2022 J jnl
MINTIME: Multi-Identity Size-Invariant Video Deepfake Detection.
CoRR
Davide Alessandro Coccomini, Giorgos Kordopatis-Zilos, Giuseppe Amato, Roberto Caldelli, Fabrizio Falchi, Symeon Papadopoulos, Claudio Gennaro
2022 — conf
The MeVer DeepFake Detection Service: Lessons Learnt from Developing and Deploying in the Wild.
MAD@ICMR
Spiros Baxevanakis, Giorgos Kordopatis-Zilos, Panagiotis Galopoulos, Lazaros Apostolidis, Killian Levacher, Ipek Baris Schlicht, Denis Teyssou, Ioannis Kompatsiaris, Symeon Papadopoulos
2022 J jnl
The MeVer DeepFake Detection Service: Lessons Learnt from Developing and Deploying in the Wild.
CoRR
Spyridon Baxevanakis, Giorgos Kordopatis-Zilos, Panagiotis Galopoulos, Lazaros Apostolidis, Killian Levacher, Ipek Baris Schlicht, Denis Teyssou, Ioannis Kompatsiaris, Symeon Papadopoulos
2021 J jnl
DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval.
CoRR
Giorgos Kordopatis-Zilos, Christos Tzelepis, Symeon Papadopoulos, Ioannis Kompatsiaris, Ioannis Patras
2021 — —
Fine-grained Incident Video Retrieval with video similarity learning.
Giorgos Kordopatis-Zilos
2021 B conf
Leveraging EfficientNet and Contrastive Learning for Accurate Global-scale Location Estimation.
ICMR
Giorgos Kordopatis-Zilos, Panagiotis Galopoulos, Symeon Papadopoulos, Ioannis Kompatsiaris
2021 J jnl
Leveraging EfficientNet and Contrastive Learning for Accurate Global-scale Location Estimation.
CoRR
Giorgos Kordopatis-Zilos, Panagiotis Galopoulos, Symeon Papadopoulos, Ioannis Kompatsiaris
2021 J jnl
Leveraging Selective Prediction for Reliable Image Geolocation.
CoRR
Apostolos Panagiotopoulos, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2021 C conf
Operation-wise Attention Network for Tampering Localization Fusion.
CBMI
Polychronis Charitidis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2021 J jnl
Operation-wise Attention Network for Tampering Localization Fusion.
CoRR
Polychronis Charitidis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2021 — conf
Products-6K: A Large-Scale Groceries Product Recognition Dataset.
PETRA
Kostas Georgiadis, Giorgos Kordopatis-Zilos, Fotis Kalaganis, Panagiotis Migkotzidis, Elisavet Chatzilari, Valasia Panakidou, Kyriakos Pantouvakis, Savvas Tortopidis, Symeon Papadopoulos, Spiros Nikolopoulos, Ioannis Kompatsiaris
2020 J jnl
A Face Preprocessing Approach for Improved DeepFake Detection.
CoRR
Polychronis Charitidis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2020 B conf
Audio-based Near-Duplicate Video Retrieval with Audio Similarity Learning.
ICPR
Pavlos Avgoustinakis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Andreas L. Symeonidis, Ioannis Kompatsiaris
2020 J jnl
Audio-based Near-Duplicate Video Retrieval with Audio Similarity Learning.
CoRR
Pavlos Avgoustinakis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Andreas L. Symeonidis, Ioannis Kompatsiaris
2020 — conf
Investigating the Impact of Pre-processing and Prediction Aggregation on the DeepFake Detection Task.
TTO
Polychronis Charitidis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2020 — conf
MeVer Team Tackling Corona Virus and 5G Conspiracy Using Ensemble Classification Based on BERT.
MediaEval
Olga Papadopoulou, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2019 — conf
Brenda Starr at SemEval-2019 Task 4: Hyperpartisan News Detection.
SemEval@NAACL-HLT
Olga Papadopoulou, Giorgos Kordopatis-Zilos, Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris
2019 J jnl
FIVR: Fine-Grained Incident Video Retrieval.
IEEE Trans. Multim.
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Ioannis Kompatsiaris
2019 — ch.
Finding Near-Duplicate Videos in Large-Scale Collections.
Video Verification in the Fake News Era
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Ioannis Kompatsiaris
2019 A* conf
ViSiL: Fine-Grained Spatio-Temporal Video Similarity Learning.
ICCV
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Yiannis Kompatsiaris
2019 J jnl
ViSiL: Fine-grained Spatio-Temporal Video Similarity Learning.
CoRR
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Ioannis Kompatsiaris
2018 J jnl
FIVR: Fine-grained Incident Video Retrieval.
CoRR
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Ioannis Kompatsiaris
2018 J jnl
Location Extraction from Social Media: Geoparsing, Location Disambiguation, and Geotagging.
ACM Trans. Inf. Syst.
Stuart E. Middleton, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Yiannis Kompatsiaris
2017 J jnl
Geotagging Text Content With Language Models and Feature Mining.
Proc. IEEE
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2017 — conf
Near-Duplicate Video Retrieval by Aggregating Intermediate CNN Layers.
MMM (1)
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Yiannis Kompatsiaris
2017 — conf
Near-Duplicate Video Retrieval with Deep Metric Learning.
ICCV Workshops
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Yiannis Kompatsiaris
2016 — conf
In-depth Exploration of Geotagging Performance using Sampling Strategies on YFCC100M.
MMCommons @ ACM Multimedia
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Yiannis Kompatsiaris
2016 — conf
Placing Images with Refined Language Models and Similarity Search with PCA-reduced VGG Features.
MediaEval
Giorgos Kordopatis-Zilos, Adrian Popescu, Symeon Papadopoulos, Yiannis Kompatsiaris
2015 — conf
CERTH/CEA LIST at MediaEval Placing Task 2015.
MediaEval
Giorgos Kordopatis-Zilos, Adrian Popescu, Symeon Papadopoulos, Yiannis Kompatsiaris
2015 — conf
Geotagging Social Media Content with a Refined Language Modelling Approach.
PAISI
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Yiannis Kompatsiaris
2014 — conf
SocialSensor at MediaEval Placing Task 2014.
MediaEval
Giorgos Kordopatis-Zilos, Giorgos Orfanidis, Symeon Papadopoulos, Yiannis Kompatsiaris
2013 — conf
CERTH at MediaEval Placing Task 2013.
MediaEval
Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Eleftherios Spyromitros Xioufis, Andreas L. Symeonidis, Yiannis Kompatsiaris